package cn.fzm.demo01;

/**
 * @author Dremeue
 * @create 2019-09-24 23:55
 **/
public class User {
    private String username;

    public User() {
    }

    public User(String username) {
        this.username = username;
    }

    public void add() {
        System.out.println("user add...");
    }
}
